<template>
  <div>
    <city-header></city-header>
    <city-search :cities="cities"></city-search>
    <city-list
      :cities="cities"
      :hot="hotCities"
      :letter="letter"
    ></city-list>
    <city-alphabet
      :cities="cities"
      @change="handleLetterChange"
    ></city-alphabet>
  </div>
</template>

<script>
  import axios from 'axios'
  import CityHeader from './components/Header'
  import CitySearch from './components/Search'
  import CityList from './components/List'
  import CityAlphabet from './components/Alphabet'

  export default {
        name: "City",
        components:{
          CityHeader,
          CitySearch,
          CityList,
          CityAlphabet
        },
    data(){
      return{
        cities:{},
        hotCities:[],
        letter:''
      }
    },
    methods:{
      getCityInfo(){
        axios.get('/api/city.json')
          .then(this.handleGetCityInfoSucc)
      },
      handleGetCityInfoSucc(res){
        res=res.data
        if(res.ret && res.data){
          const data = res.data
          this.cities = data.cities
          this.hotCities = data.hotCities
        }
      },
      handleLetterChange(letter){
        this.letter=letter
      }
    },
    mounted(){
          this.getCityInfo()
    }
  }
</script>

<style lang="stylus" scoped>

</style>
